package day0520;

import java.util.Scanner;

public class Test5 {
    public static void main(String[] args) {
        double score=new Scanner(System.in).nextDouble();//1.
        while(0>score || score>100){//2.
            score=new Scanner(System.in).nextDouble();//3.
        }
        System.out.println("您输入了有效成绩，"+score+"即将存入到系统中");
    }
}
